a. move up and down as the lifter moves
b. keep your hands on the bar at all times
c. remember not to touch the lifter unless needed
d. stay away from the lifter so they don't fall on you
During a deadlift it's important that we do not touch the lifter unless we see that they need assistance otherwise it could affect the form of the lifter.
You don’t want a spotter, you merely want propriety. As several others have aforesaid, apply with smaller masses and work your means up.You merely get one back, take care of it.Insuring the weights are properly loaded and you do not have a dodgy bar.